According to reports from the AP and a press release on the Geokinetics website, the men had initially evacated the platform on a liftboat, which can be lowered and raised from the rig by mechanical pulleys.
Meanwhile, fans of the show can chat live to Pobol actors Nia Caron (Anita) and Rhys ap William (Cai), researcher Alison L Edwards, and producer Bethan Jones via the Pobol Y Cwm website in a 30th anniversary chat.